Select the Broan-NuTone® 639 Wall Cap to provide reliable wall ventilation. Features a black enamel finish and is designed for use with 3-1/4" x 10" duct. Includes a built-in back-draft damper, and protective bird screen to prevent small pests from entering duct.
$34.00
each
30 In Stock
or for lower prices and free shipping.
Duct fitting protrudes 4-7/8 in from back of cap to allow proper fit to the ductwork (Not for use with dryer venting)
Equipped with a spring loaded backdraft damper and bird screen to keep nests and small animals on the outside
Wall cap is made of 22 ga CRCQ steel construction with a black electrically bonded epoxy finish for durability and long life